菜鸟教程在线编辑器

AI 编程工具

 
                <!DOCTYPE html>
<html>
<body>

<form action="demo_form.php" method="get">
<input type="number" name="points" min="0" max="10" step="3" value="6">
<input type="submit">
</form>

</body>
</html>

              